Voting began on Sunday amid tight security for eight Lok Sabha seats in Bihar in the seventh and last phase of elections. There were also some reports of glitches in the EVMs. The fate of 157 candidates in Patna Sahib, Patliputra, Arrah, Buxar, Nalanda, Sasaram, Karakat and Jehanabad constituencies will be sealed today. Four Union ministers facing tough battles are in the fray. They are Ravi Shankar Prasad, Ram Kripal Yadav, Ashwini Choubey and RK Singh.